[Arm-netbook] ingenic jz4760 eoma-68 card

[Joe Michael]

On Thu, 2013-03-14 at 22:07 +0000, luke.leighton wrote:
> ok, bit of progress.  i've tracked down an app note for a USB-to-SATA
> converter from JMicron [*1], worked out that the maximum limit of the
> jz4760 is 512mbytes of RAM and found a suitable RAM chip that looks to
> be around 45RMB (2 are needed).  that's about $16 for a pair of RAM
> ICs (!)  mad.  absolutely mad.  considering that 4 hynix chips
> totalling 1gbyte of 800mhz DDR3 RAM is under $5.

You should be able to use the 1GB DDR3 and either not use half the chip,
or set a GPIO port pin to toggle from one set of RAM addresses to the
next and have say two independent Linux distros running at the same
time! :-)



> schematics and datasheets are accumulating in a big heap here,
> including a converted PDF of progress so far.
> http://hands.com/~lkcl/eoma/jz4760/
> 
> /peace
> 
> l.
> 
> [*1] http://www.datasheet.hk/view_download.php?id=1495235&file=0249\jm20329_41287.pdf
> 
> _______________________________________________
> arm-netbook mailing list arm-netbook at lists.phcomp.co.uk
> http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook
> Send large attachments to arm-netbook at files.phcomp.co.uk